340
FZUS51 KBOX 201705
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
104 PM EDT SAT JUN 20 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-210600-
104 PM EDT SAT JUN 20 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
BREEZY CONDITIONS AND ELEVATED SEAS CONTINUE TODAY ACROSS THE
COASTAL WATERS. ANOTHER COASTAL SYSTEM APPROACHES FROM THE W MON
NIGHT INTO TUE.
ANZ250-210600-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
104 PM EDT SAT JUN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
THIS AFTERNOON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND SE 1 FOOT AT
7 SECONDS. A SLIGHT CHANCE OF SHOWERS.
TONIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND N 2 FT AT
5 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 9 SECONDS AND W 1 FOOT AT
3 SECONDS.
SUN NIGHT
W WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NE 2 FT AT 3 SECONDS AND SW 1 FOOT AT 2 SECONDS.
MON
SW WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. WAVE DETAIL: NW 1 FOOT AT 2 SECONDS AND E
1 FOOT AT 4 SECONDS, BECOMING W 1 FOOT AT 2 SECONDS AND SE 1 FOOT
AT 7 SECONDS. SHOWERS LIKELY IN THE AFTERNOON.
MON NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
2 TO 4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS. SHOWERS. A CHANCE OF
TSTMS IN THE EVENING.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. A CHANCE OF SHOWERS.
TUE NIGHT THROUGH WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO
3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-210600-
MASSACHUSETTS BAY AND IPSWICH BAY-
104 PM EDT SAT JUN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
THIS AFTERNOON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS AND SE 1 FOOT
AT 9 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: NW 2 FT AT 3 SECONDS
AND NE 1 FOOT AT 6 SECONDS, BECOMING W 1 FOOT AT 3 SECONDS AND NE
1 FOOT AT 5 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: W 1 FOOT AT 3 SECONDS AND N 1 FOOT
AT 4 SECONDS.
SUN NIGHT
SW WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SW 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 3 SECONDS.
MON
SW WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN 2 TO 3 FT IN
THE AFTERNOON. WAVE DETAIL: W 1 FOOT AT 2 SECONDS AND E 1 FOOT AT
4 SECONDS, BECOMING SW 2 FT AT 3 SECONDS AND SE 2 FT AT
4 SECONDS. SHOWERS LIKELY IN THE AFTERNOON.
MON NIGHT
SE WINDS 15 TO 20 KT, BECOMING S AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT
4 SECONDS AND S 3 FT AT 7 SECONDS. SHOWERS.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND
2 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-210600-
CAPE COD BAY-
104 PM EDT SAT JUN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
THIS AFTERNOON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND E 1 FOOT
AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS. WAVE
DETAIL: NW 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS,
BECOMING NW 1 FOOT AT 4 SECONDS AND NE 1 FOOT AT 7 SECONDS.
SUN
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND S 1 FOOT
AT 9 SECONDS, BECOMING W 1 FOOT AT 3 SECONDS AND N 1 FOOT AT
5 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS AND NE 1 FOOT
AT 4 SECONDS.
MON
SW WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN 2 TO 3 FT IN
THE AFTERNOON. WAVE DETAIL: W 1 FOOT AT 3 SECONDS AND SE 1 FOOT
AT 5 SECONDS, BECOMING SW 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT
5 SECONDS. SHOWERS LIKELY IN THE AFTERNOON.
MON NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 3 FT AT
8 SECONDS. SHOWERS WITH A CHANCE OF TSTMS.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS AND TSTMS.
TUE NIGHT THROUGH WED NIGHT
S WINDS AROUND 5 KT. SEAS AROUND
2 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-210600-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
104 PM EDT SAT JUN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT SUNDAY
THIS AFTERNOON
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND W 3 FT AT
5 SECONDS.
TONIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE
DETAIL: S 4 FT AT 9 SECONDS AND W 3 FT AT 5 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
9 SECONDS AND NW 1 FOOT AT 4 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 8 SECONDS AND E 2 FT AT 4 SECONDS.
MON
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT
AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS IN
THE AFTERNOON.
MON NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS AND E 1 FOOT AT
12 SECONDS. SHOWERS WITH A CHANCE OF TSTMS.
TUE
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. SHOWERS WITH A CHANCE OF TSTMS.
TUE NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
WED AND WED NIGHT
NW WINDS 5 TO 10 KT, BECOMING SW. SEAS 2 TO
4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-210600-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
104 PM EDT SAT JUN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
W WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 1 FOOT AT
8 SECONDS.
TONIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE
DETAIL: SW 6 FT AT 7 SECONDS AND E 1 FOOT AT 6 SECONDS.
SUN
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 8 SECONDS AND NW 2 FT AT
4 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 8 SECONDS AND W
1 FOOT AT 5 SECONDS.
MON
SW WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
7 SECONDS AND SW 2 FT AT 4 SECONDS. A CHANCE OF SHOWERS IN THE
AFTERNOON.
MON NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. WAVE DETAIL: S 7 FT AT 7 SECONDS AND E 4 FT AT
8 SECONDS. SHOWERS WITH A CHANCE OF TSTMS.
TUE
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. SHOWERS WITH A CHANCE OF TSTMS.
TUE NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
WED AND WED NIGHT
W WINDS 5 TO 10 KT, BECOMING SW. SEAS 2 TO
4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-210600-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
104 PM EDT SAT JUN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT SUNDAY
THIS AFTERNOON
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND SE 1 FOOT
AT 12 SECONDS.
TONIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE
DETAIL: SW 5 FT AT 9 SECONDS AND W 4 FT AT 6 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT
8 SECONDS AND W 3 FT AT 4 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: W 3 FT AT 4 SECONDS AND SW 3 FT AT 8 SECONDS.
MON
SW WINDS 5 TO 10 KT, BECOMING SE 15 TO 20 KT WITH GUSTS UP
TO 30 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT
7 SECONDS AND SW 2 FT AT 4 SECONDS. SHOWERS LIKELY IN THE
AFTERNOON.
MON NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. WAVE DETAIL: S 7 FT AT 7 SECONDS AND SE 4 FT AT
8 SECONDS. SHOWERS WITH A CHANCE OF TSTMS.
TUE
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS.
TUE NIGHT AND WED
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-210600-
NANTUCKET SOUND-
104 PM EDT SAT JUN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING
THIS AFTERNOON
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND S 2 FT AT
8 SECONDS.
TONIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE
DETAIL: W 3 FT AT 4 SECONDS AND S 2 FT AT 8 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT
AT 3 SECONDS AND E 1 FOOT AT 4 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND
E 1 FOOT AT 8 SECONDS.
MON
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT
AT 8 SECONDS AND SW 1 FOOT AT 4 SECONDS. SHOWERS LIKELY IN THE
AFTERNOON.
MON NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND E 1 FOOT AT
12 SECONDS. SHOWERS WITH A CHANCE OF TSTMS.
TUE
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. SHOWERS WITH A CHANCE OF TSTMS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO
3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-210600-
VINEYARD SOUND-
104 PM EDT SAT JUN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING
THIS AFTERNOON
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND SE 1 FOOT
AT 6 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE
DETAIL: SW 4 FT AT 7 SECONDS AND E 1 FOOT AT 10 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SW 2 FT AT 8 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 5 SECONDS AND SW 2 FT AT 8 SECONDS.
MON
SW WINDS 5 TO 10 KT, BECOMING SE 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
8 SECONDS AND S 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON.
MON NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: S 5 FT AT 6 SECONDS. SHOWERS WITH A
CHANCE OF TSTMS.
TUE
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO
3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-210600-
BUZZARDS BAY-
104 PM EDT SAT JUN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING
THIS AFTERNOON
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND SE 1 FOOT
AT 6 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 5 SECONDS AND SW 3 FT AT 8 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SW 2 FT AT 8 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W AROUND 5 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
MON
SW WINDS AROUND 5 KT, BECOMING SE 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN 2 TO 3 FT
IN THE AFTERNOON. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND S
1 FOOT AT 7 SECONDS, BECOMING S 2 FT AT 7 SECONDS AND SW 1 FOOT
AT 4 SECONDS. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS
LIKELY IN THE AFTERNOON.
MON NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND S 3 FT AT
4 SECONDS. SHOWERS WITH A CHANCE OF TSTMS.
TUE
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. SHOWERS LIKELY.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND
2 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-210600-
RHODE ISLAND SOUND-
104 PM EDT SAT JUN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING
THIS AFTERNOON
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 1 FOOT
AT 7 SECONDS.
TONIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE
DETAIL: SW 4 FT AT 9 SECONDS AND W 3 FT AT 5 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND SE 3 FT AT 7 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 4 SECONDS AND S 3 FT AT 8 SECONDS.
MON
SW WINDS 5 TO 10 KT, BECOMING SE 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
7 SECONDS. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS
LIKELY IN THE AFTERNOON.
MON NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: S 6 FT AT 6 SECONDS. SHOWERS WITH A
CHANCE OF TSTMS.
TUE
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. A CHANCE OF SHOWERS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO
4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-210600-
BLOCK ISLAND SOUND-
104 PM EDT SAT JUN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING
THIS AFTERNOON
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND S 3 FT AT
8 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO AROUND 5 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE
DETAIL: SE 4 FT AT 12 SECONDS AND S 3 FT AT 9 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
7 SECONDS AND SW 2 FT AT 3 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING W AROUND 5 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND S
2 FT AT 8 SECONDS.
MON
S WINDS 5 TO 10 KT, BECOMING SE 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
7 SECONDS. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS
LIKELY IN THE AFTERNOON.
MON NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: S 5 FT AT 6 SECONDS. SHOWERS WITH A
CHANCE OF TSTMS.
TUE
W WINDS AROUND 10 KT. SEAS 3 TO 5 FT. A CHANCE OF SHOWERS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO
4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-210600-
BOSTON HARBOR-
104 PM EDT SAT JUN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING
THIS AFTERNOON
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
WAVES AROUND 2 FT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES AROUND 2 FT IN
THE EVENING, THEN 1 FOOT OR LESS.
SUN
W WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
SUN NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS. A CHANCE
OF SHOWERS IN THE EVENING.
MON AND MON NIGHT
S WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A
CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS.
TUE
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT
OR LESS.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-210600-
NARRAGANSETT BAY-
104 PM EDT SAT JUN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
THIS AFTERNOON
W WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT.
WAVES 2 TO 3 FT.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. WAVES AROUND 2 FT.
SUN NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT.
WAVES AROUND 2 FT.
MON
SW WINDS AROUND 5 KT, BECOMING SE 10 TO 15 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. WAVES 1 FOOT OR LESS, THEN 2 TO
3 FT IN THE AFTERNOON. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS IN THE AFTERNOON.
MON NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
2 TO 4 FT. SHOWERS. A CHANCE OF TSTMS IN THE EVENING.
TUE
NW WINDS 10 TO 15 KT. WAVES 2 TO 3 FT. A CHANCE OF
SHOWERS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. WAVES 2 TO
3 FT.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ280-210600-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
104 PM EDT SAT JUN 20 2026
THIS AFTERNOON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND S 3 FT AT
8 SECONDS.
TONIGHT
W WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 4 FT. WAVE DETAIL: NW 3 FT AT 5 SECONDS AND S
3 FT AT 8 SECONDS.
SUN
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 9 SECONDS AND W 1 FOOT AT 4 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N
3 FT AT 5 SECONDS AND S 2 FT AT 8 SECONDS.
MON
SW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND W 1 FOOT AT
3 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
MON NIGHT
SE WINDS 15 TO 20 KT, BECOMING S 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT, BUILDING TO 4 TO
6 FT AFTER MIDNIGHT. WAVE DETAIL: S 4 FT AT 5 SECONDS, BECOMING S
6 FT AT 6 SECONDS. SHOWERS WITH A CHANCE OF TSTMS.
TUE
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. SHOWERS WITH A CHANCE OF TSTMS.
TUE NIGHT AND WED
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-210600-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
104 PM EDT SAT JUN 20 2026
THIS AFTERNOON
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: W 5 FT AT 7 SECONDS AND E 1 FOOT AT
6 SECONDS.
TONIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE
DETAIL: SW 6 FT AT 9 SECONDS AND NW 4 FT AT 5 SECONDS.
SUN
SW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 4 FT
AT 9 SECONDS AND NW 1 FOOT AT 4 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 8 SECONDS AND E 1 FOOT AT 3 SECONDS.
MON
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
7 SECONDS AND W 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS IN THE
AFTERNOON.
MON NIGHT
SE WINDS 15 TO 20 KT, BECOMING S 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT, BUILDING TO 5 TO
7 FT AFTER MIDNIGHT. WAVE DETAIL: S 5 FT AT 6 SECONDS AND E
1 FOOT AT 11 SECONDS, BECOMING S 6 FT AT 5 SECONDS AND E 5 FT AT
8 SECONDS. SHOWERS. A CHANCE OF TSTMS AFTER MIDNIGHT.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. SHOWERS WITH A CHANCE OF TSTMS.
TUE NIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 6 FT.
WED AND WED NIGHT
NW WINDS 5 TO 10 KT, BECOMING SW. SEAS 3 TO
4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-210600-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
104 PM EDT SAT JUN 20 2026
THIS AFTERNOON
W WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT.
SEAS AROUND 6 FT. WAVE DETAIL: W 5 FT AT 6 SECONDS AND S 5 FT AT
9 SECONDS.
TONIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
DIMINISHING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE
DETAIL: SW 6 FT AT 9 SECONDS AND W 5 FT AT 6 SECONDS.
SUN
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: W 4 FT AT
7 SECONDS AND E 1 FOOT AT 3 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL:
SW 3 FT AT 8 SECONDS AND NW 2 FT AT 4 SECONDS.
MON
SW WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
6 SECONDS AND W 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS IN THE
AFTERNOON.
MON NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND SE 2 FT AT
8 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS WITH
A CHANCE OF TSTMS AFTER MIDNIGHT.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. SHOWERS WITH A CHANCE OF TSTMS.
TUE NIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 6 FT.
WED AND WED NIGHT
NW WINDS AROUND 5 KT, BECOMING SW. SEAS 3 TO
4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ283-210600-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
104 PM EDT SAT JUN 20 2026
THIS AFTERNOON
W WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 6 FT. WAVE DETAIL: W 5 FT AT 6 SECONDS AND S 4 FT AT
9 SECONDS.
TONIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE
DETAIL: W 5 FT AT 6 SECONDS AND S 5 FT AT 9 SECONDS.
SUN
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT
AT 8 SECONDS AND W 2 FT AT 5 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 8 SECONDS AND W 2 FT AT 4 SECONDS.
MON
SW WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 30 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT
7 SECONDS AND SE 3 FT AT 4 SECONDS. A CHANCE OF SHOWERS IN THE
AFTERNOON.
MON NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SE 6 FT AT 7 SECONDS AND SW 4 FT AT
9 SECONDS. SHOWERS WITH A CHANCE OF TSTMS.
TUE
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
6 FT. SHOWERS WITH A CHANCE OF TSTMS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO
5 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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